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Add first component test with TimelineMarkers
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,80 @@ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| // @flow | ||
| import React from 'react'; | ||
| import TimelineMarkers from '../../content/containers/TimelineMarkers'; | ||
| import renderer from 'react-test-renderer'; | ||
| import { Provider } from 'react-redux'; | ||
| import mockCanvasContext from '../fixtures/mocks/canvas-context'; | ||
| import { storeWithProfile } from '../fixtures/stores'; | ||
| import { getProfileWithMarkers } from '../store/fixtures/profiles'; | ||
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| jest.useFakeTimers(); | ||
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| it('renders TimelineMarkers correctly', () => { | ||
| // Tie the requestAnimationFrame into jest's fake timers. | ||
| window.requestAnimationFrame = fn => setTimeout(fn, 0); | ||
| window.devicePixelRatio = 1; | ||
| const ctx = mockCanvasContext(); | ||
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| /** | ||
| * Mock out any created refs for the components with relevant information. | ||
| */ | ||
| function createNodeMock(element) { | ||
| // <TimelineCanvas><canvas /></TimelineCanvas> | ||
| if (element.type === 'canvas') { | ||
| return { | ||
| getBoundingClientRect: () => _getBoundingBox(200, 300), | ||
| getContext: () => ctx, | ||
| style: {}, | ||
| }; | ||
| } | ||
| // <TimelineViewport /> | ||
| if (element.props.className.split(' ').includes('timelineViewport')) { | ||
| return { | ||
| getBoundingClientRect: () => _getBoundingBox(200, 300), | ||
| }; | ||
| } | ||
| return null; | ||
| } | ||
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| const profile = getProfileWithMarkers([ | ||
| ['Marker A', 0, {startTime: 0, endTime: 10}], | ||
| ['Marker B', 0, {startTime: 0, endTime: 10}], | ||
| ['Marker C', 0, {startTime: 5, endTime: 15}], | ||
| ]); | ||
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| const timeline = renderer.create( | ||
| <Provider store={storeWithProfile(profile)}> | ||
| <TimelineMarkers threadIndex={0} viewHeight={1000} /> | ||
| </Provider>, | ||
| {createNodeMock} | ||
| ); | ||
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| // Flush any requestAnimationFrames. | ||
| jest.runAllTimers(); | ||
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| const tree = timeline.toJSON(); | ||
| const drawCalls = ctx.__flushDrawLog(); | ||
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| expect(tree).toMatchSnapshot(); | ||
| expect(drawCalls).toMatchSnapshot(); | ||
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| delete window.requestAnimationFrame; | ||
| delete window.devicePixelRatio; | ||
| }); | ||
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| function _getBoundingBox(width, height) { | ||
| return { | ||
| width, | ||
| height, | ||
| left: 0, | ||
| x: 0, | ||
| top: 0, | ||
| y: 0, | ||
| right: width, | ||
| bottom: height, | ||
| }; | ||
| } |
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